Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hai tich cac snippets" » "phan tich cac snippets", "giai tich cac snippets", "thai tinh cac snippets", "hai tich va snippets", "hai tich bao snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("hai tich cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hai tich cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hai tich cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hai tich cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.